Added support for the broadcast_transaction API call in the single connection mode

graphenej/src/main/java/cy/agorise/graphenej/api/calls/BroadcastTransaction.java

@@ -0,0 +1,27 @@
+package cy.agorise.graphenej.api.calls;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+
+import cy.agorise.graphenej.RPC;
+import cy.agorise.graphenej.Transaction;
+import cy.agorise.graphenej.api.ApiAccess;
+import cy.agorise.graphenej.models.ApiCall;
+
+public class BroadcastTransaction implements ApiCallable {
+    public static final int REQUIRED_API = ApiAccess.API_NETWORK_BROADCAST;
+
+    private Transaction mTransaction;
+
+    public BroadcastTransaction(Transaction transaction){
+        if(!transaction.hasPrivateKey()) throw new IllegalStateException("The Transaction instance has to be provided with a private key in order to be broadcasted");
+        mTransaction = transaction;
+    }
+
+    @Override
+    public ApiCall toApiCall(int apiId, long sequenceId) {
+        ArrayList<Serializable> transactions = new ArrayList<>();
+        transactions.add(mTransaction);
+        return new ApiCall(apiId, RPC.CALL_BROADCAST_TRANSACTION, transactions, RPC.VERSION, sequenceId);
+    }
+}

sample/build.gradle

@@ -29,7 +29,8 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    api project(':graphenej')
+    implementation project(':graphenej')
+    implementation 'org.bitcoinj:bitcoinj-core:0.14.3'
     implementation 'com.android.support:appcompat-v7:27.1.1'
     implementation 'com.android.support:recyclerview-v7:27.1.1'
     implementation 'com.android.support:design:27.1.1'

sample/src/main/java/cy/agorise/labs/sample/CallsActivity.java

@@ -78,6 +78,7 @@ public class CallsActivity extends AppCompatActivity {
             RPC.CALL_GET_DYNAMIC_GLOBAL_PROPERTIES,
             RPC.CALL_GET_KEY_REFERENCES,
             RPC.CALL_GET_ACCOUNT_BALANCES,
+            RPC.CALL_BROADCAST_TRANSACTION,
             REMOVE_CURRENT_NODE
         };
 

sample/src/main/java/cy/agorise/labs/sample/PerformCallActivity.java

@@ -17,6 +17,8 @@ import com.google.common.primitives.UnsignedLong;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 
+import org.bitcoinj.core.ECKey;
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
@@ -28,13 +30,17 @@ import butterknife.OnClick;
 import cy.agorise.graphenej.Asset;
 import cy.agorise.graphenej.AssetAmount;
 import cy.agorise.graphenej.BaseOperation;
+import cy.agorise.graphenej.BlockData;
+import cy.agorise.graphenej.BrainKey;
 import cy.agorise.graphenej.Memo;
 import cy.agorise.graphenej.OperationType;
 import cy.agorise.graphenej.RPC;
+import cy.agorise.graphenej.Transaction;
 import cy.agorise.graphenej.UserAccount;
 import cy.agorise.graphenej.api.ConnectionStatusUpdate;
 import cy.agorise.graphenej.api.android.DeserializationMap;
 import cy.agorise.graphenej.api.android.RxBus;
+import cy.agorise.graphenej.api.calls.BroadcastTransaction;
 import cy.agorise.graphenej.api.calls.GetAccountBalances;
 import cy.agorise.graphenej.api.calls.GetAccountByName;
 import cy.agorise.graphenej.api.calls.GetAccountHistoryByOperations;
@@ -50,6 +56,7 @@ import cy.agorise.graphenej.api.calls.ListAssets;
 import cy.agorise.graphenej.errors.MalformedAddressException;
 import cy.agorise.graphenej.models.JsonRpcResponse;
 import cy.agorise.graphenej.operations.TransferOperation;
+import cy.agorise.graphenej.operations.TransferOperationBuilder;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.Disposable;
 import io.reactivex.functions.Consumer;
@@ -155,6 +162,9 @@ public class PerformCallActivity extends ConnectedActivity {
                 break;
             case RPC.CALL_GET_ACCOUNT_BALANCES:
                 setupGetAccountBalances();
+                break;
+            case RPC.CALL_BROADCAST_TRANSACTION:
+                setupBroadcastTransaction();
             default:
                 Log.d(TAG,"Default called");
         }
@@ -291,6 +301,12 @@ public class PerformCallActivity extends ConnectedActivity {
         param2.setHint(R.string.get_account_balances_arg2);
     }
 
+    private void setupBroadcastTransaction(){
+        requiredInput(2);
+        param1.setText("1.2.116354");
+        param2.setText("1");
+    }
+
     private void requiredInput(int inputCount){
         if(inputCount == 0){
             mParam1View.setVisibility(View.GONE);
@@ -365,6 +381,9 @@ public class PerformCallActivity extends ConnectedActivity {
                 break;
             case RPC.CALL_GET_ACCOUNT_BALANCES:
                 getAccountBalances();
+                break;
+            case RPC.CALL_BROADCAST_TRANSACTION:
+                broadcastTransaction();
             default:
                 Log.d(TAG,"Default called");
         }
@@ -486,6 +505,28 @@ public class PerformCallActivity extends ConnectedActivity {
         responseMap.put(id, mRPC);
     }
 
+    private void broadcastTransaction(){
+        String destinationId = param1.getText().toString();
+        String amount = param2.getText().toString();
+        UnsignedLong transferAmount = UnsignedLong.valueOf(amount).times(UnsignedLong.valueOf(100000));
+        TransferOperation operation = new TransferOperationBuilder()
+                .setSource(new UserAccount("1.2.1029856"))
+                .setDestination(new UserAccount(destinationId))
+                .setTransferAmount(new AssetAmount( transferAmount, new Asset("1.3.0")))
+                .setFee(new AssetAmount(UnsignedLong.valueOf("10420"), new Asset("1.3.0")))
+                .build();
+        ArrayList<BaseOperation> ops = new ArrayList<>();
+        ops.add(operation);
+        // >> Replace with your brainkey <<
+        BrainKey brainKey = new BrainKey(">> Place your brainkey here <<", 0);
+        ECKey privKey = brainKey.getPrivateKey();
+        // Use valid BlockData
+        BlockData blockData = new BlockData(44542, 3342959171L, 1544917202L);
+        Transaction tx = new Transaction(privKey, blockData, ops);
+        long id = mNetworkService.sendMessage(new BroadcastTransaction(tx), BroadcastTransaction.REQUIRED_API);
+        responseMap.put(id, mRPC);
+    }
+
     /**
      * Internal method that will decide what to do with each JSON-RPC response
      *
@@ -521,7 +562,12 @@ public class PerformCallActivity extends ConnectedActivity {
                     break;
                 default:
                     Log.w(TAG,"Case not handled");
-                    mResponseView.setText(mResponseView.getText() + response.result.toString());
+                    if(response.result != null)
+                        mResponseView.setText(mResponseView.getText() + response.result.toString());
+                    else if(response.error != null)
+                        mResponseView.setText(mResponseView.getText() + String.format("Error code: %d, Msg: %s", response.error.code, response.error.message));
+                    else
+                        mResponseView.setText(mResponseView.getText() + "\nnull");
             }
             // Remember to remove the used id entry from the map, as it would
             // otherwise just increase the app's memory usage